package core import ( "github.com/CityOfZion/neo-go/pkg/io" "github.com/CityOfZion/neo-go/pkg/util" ) // SpentCoinState represents the state of a spent coin. type SpentCoinState struct { txHash util.Uint256 txHeight uint32 // A mapping between the index of the prevIndex and block height. items map[uint16]uint32 } // NewSpentCoinState returns a new SpentCoinState object. func NewSpentCoinState(hash util.Uint256, height uint32) *SpentCoinState { return &SpentCoinState{ txHash: hash, txHeight: height, items: make(map[uint16]uint32), } } // DecodeBinary implements Serializable interface. func (s *SpentCoinState) DecodeBinary(br *io.BinReader) { br.ReadBytes(s.txHash[:]) s.txHeight = br.ReadU32LE() s.items = make(map[uint16]uint32) lenItems := br.ReadVarUint() for i := 0; i < int(lenItems); i++ { var ( key uint16 value uint32 ) key = br.ReadU16LE() value = br.ReadU32LE() s.items[key] = value } } // EncodeBinary implements Serializable interface. func (s *SpentCoinState) EncodeBinary(bw *io.BinWriter) { bw.WriteBytes(s.txHash[:]) bw.WriteU32LE(s.txHeight) bw.WriteVarUint(uint64(len(s.items))) for k, v := range s.items { bw.WriteU16LE(k) bw.WriteU32LE(v) } }